<?php

/**
 * This is the model class for table "issue_relations".
 *
 * The followings are the available columns in table 'issue_relations':
 * @property integer $id
 * @property integer $issue_from_id
 * @property integer $issue_to_id
 * @property string $relation_type
 * @property integer $delay
 *
 * The followings are the available model relations:
 * @property Issue $issueFrom
 * @property Issue $issueTo
 */
class IssueRelation extends CActiveRecord
{
    /**
     * Returns the static model of the specified AR class.
     * @param string $className active record class name.
     * @return IssueRelations the static model class
     */
    public static function model($className=__CLASS__)
    {
        return parent::model($className);
    }

    /**
     * @return string the associated database table name
     */
    public function tableName()
    {
        return 'issue_relations';
    }

    /**
     * @return array validation rules for model attributes.
     */
    public function rules()
    {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(
            array('issue_from_id, issue_to_id', 'required'),
            array('issue_from_id, issue_to_id, delay', 'numerical', 'integerOnly'=>true),
            array('relation_type', 'length', 'max'=>255),
            // The following rule is used by search().
            // Please remove those attributes that should not be searched.
            array('id, issue_from_id, issue_to_id, relation_type, delay', 'safe', 'on'=>'search'),
        );
    }

    /**
     * @return array relational rules.
     */
    public function relations()
    {
        // NOTE: you may need to adjust the relation name and the related
        // class name for the relations automatically generated below.
        return array(
            'issueFrom' => array(self::BELONGS_TO, 'Issue', 'issue_from_id'),
            'issueTo' => array(self::BELONGS_TO, 'Issue', 'issue_to_id'),
        );
    }

    /**
     * @return array customized attribute labels (name=>label)
     */
    public function attributeLabels()
    {
        return array(
            'id' => 'ID',
            'issue_from_id' => 'Issue From',
            'issue_to_id' => 'Issue To',
            'relation_type' => 'Relation Type',
            'delay' => 'Delay',
        );
    }

    /**
     * Retrieves a list of models based on the current search/filter conditions.
     * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
     */
    public function search()
    {
        // Warning: Please modify the following code to remove attributes that
        // should not be searched.

        $criteria=new CDbCriteria;

        $criteria->compare('id',$this->id);
        $criteria->compare('issue_from_id',$this->issue_from_id);
        $criteria->compare('issue_to_id',$this->issue_to_id);
        $criteria->compare('relation_type',$this->relation_type,true);
        $criteria->compare('delay',$this->delay);

        return new CActiveDataProvider($this, array(
            'criteria'=>$criteria,
        ));
    }
}